First pressure-cook potatoes with the required water, salt, and turmeric powder for 2 whistles

crush ginger and garlic to your preferred texture and keep ready

Add oil to a wide heavy bottomed pan and heat

furthermore, add mustard seeds, and fennel seeds; let them splutter

add ginger- garlic and curry leaves; mix well

furthermore, add onion; mix well and cook till onion turns translucent

Add tomatoes; mix well and cook till tomatoes turn mushy

Furthermore add garam masala, chilli powder, turmeric powder, and Kashmiri chilli powder; mix well

add peas and cook for 3 minutes

Furthermore, add water; mix well and cook for 4 minutes

Add cooked potatoes and give a quick mix

finally, sprinkle coriander leaves; mix well and cook on low-medium flame for 6 minutes